DESCRIPTION:(from Food Network's press release, February 2018) On this epic four-part tournament, Guy Fieri brings back the best chefs from Diners Drive-Ins and Dives, who have previously competed on Guy's Grocery Games, for another chance at victory, beginning on Sunday, March 18th at 9pm ET/PT. In each episode of Guy's Grocery Games: DDD All-Star Tournament, four veteran chefs will put their shopping and cooking skills to the test in three rounds of the hardest games the Flavortown Market has ever seen. At home, viewers can test their supermarket smarts at FoodNetwork.com/GroceryGames, and can share their results on social media using #GroceryGames.